package day9;

/**
 * @author oldliu
 * @since 1.0
 */
public class ForTest {
    public static void main(String[] args) {
      for (int i = 0; i <20 ; i++,System.out.println(i));

//        int k=0;
//        while (k++<20);
//
//        System.out.println(k);
    }
}
